Home / 724,332.67-1,087,565.32-405,109.95

Finding the Fourth Proportional to 724,332.67, 1,087,565.32 and 405,109.95

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Solution

The fourth proportional to 724,332.67, 1,087,565.32 and 405,109.95 is: 608,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,332.67 : 1,087,565.32 = 405,109.95 : x
  2. Step 2: Convert to fraction form
    724,332.67/1,087,565.32 = 405,109.95/x
  3. Step 3: Cross multiply
    724,332.67x = 1,087,565.32 × 405,109.95
  4. Step 4: Simplify right side
    724,332.67x = 440,583,532,406.93
  5. Step 5: Solve for x
    x = 440,583,532,406.93/724,332.67
  6. Step 6: Final answer
    x = 608,261.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.